The ornamental design for a tableframe, as shown and described.
FIG. 1 is a top perspective view of a table frame showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a side elevational view thereof, the opposite side elevational view being a mirror image thereof;
FIG. 4 is a front elevational hereof, the rear elevational view being a mirror image thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The claimed design is shown with symbolic breaks in its length, width, and height. Any portion of the article between the break lines forms no part of the claimed design.